# Aqara Lock B50

*Aqara / DL-D12E*

> The Aqara Lock B50 (DL-D12E) needs no hub. It is a Wi-Fi 6 deadbolt for US doors that works with Alexa and Google Home. To get it into Matter, add an Aqara M3, G5 or M100 hub. It suits HomeKit, SmartThings and Home Assistant users, with native support through a Matter bridge. Google Home and Alexa users reach it through an integration (the maker's cloud).

- Canonical page: https://smarthomecanon.com/devices/aqara-smart-lock-b50
- Last checked: 2026-10-10

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Aqara](https://smarthomecanon.com/brands/aqara) |
| Category | Lock |
| Model numbers | DL-D12E |
| Status | Current[^1] |
| Lock family | Wi-Fi deadbolt[^1] |
| Radio | Wi-Fi 6 (2.4 GHz), Bluetooth 5.3[^1] |
| Hub needed | None for app, Alexa and Google Home[^1] |
| Matter path | Matter through Aqara M3, G5 or M100[^1] |
| HomeKit and Home Key | unknown |
| Unlock methods | Keypad passcode, app, voice, key, offline passwords[^1] |
| Power | 4 AA batteries, up to 6 months[^1] |
| Released | unknown |

## Integration paths

**How the Aqara Lock B50 connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter via Bridge](https://smarthomecanon.com/protocols/matter-bridged) | Aqara hub with Matter bridging[^1] | unknown | unknown |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | Wi-Fi, Aqara Home app[^1] | unknown | unknown |

**Platform support for the Aqara Lock B50**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Matter via Bridge | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^1] |  |
| Matter via Bridge | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | Native[^1] |  |
| Matter via Bridge | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Native[^1] |  |
| Wi-Fi cloud | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Via integration[^1] |  |
| Wi-Fi cloud | [Google Home](https://smarthomecanon.com/platforms/google-home) | Via integration[^1] |  |

## Related pages

- [Aqara smart locks](https://smarthomecanon.com/lines/aqara-locks) (line)
- [Aqara](https://smarthomecanon.com/brands/aqara) (brand)
- [Matter through a bridge](https://smarthomecanon.com/protocols/matter-bridged) (protocol)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (platform)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)

## Sources

[^1]: Smart Lock B50 - Aqara US site. https://www.aqara.com/us/product/smart-lock-b50/ (manufacturer, checked 2026-10-10)